Delivery Time:3-5 days
Certification:CE,FCC,MSDS

                Grinding media balls producer from Chinese manufacturer for ball mill

Grinding Media Balls Chemical Elements( Below is common used type all over the world,if you have any other different requirement, please let me know,we can order from steel mill)

Material	Chemical Elements
C	Si	Mn	P/S	Cr
45#	0.42-0.50	0.17-0.37	0.5-0.8	<0.035	<0.25
60MN	0.55-0.65	0.17-0.37	0.7-1.0	<0.04	<0.25
B2	0.72-0.85	0.17-0.37	0.7-1.0	<0.04	0.4-0.6
B3	0.5-0.8	1.0-1.8	0.4-1.0	0.035	0.5-1.0

Grinding Media Balls Hardness( Below is common used type all over the world,if you have any other different requirement, please let me know,we can order from steel mill)

Material	25mm-50mm HRC	60mm-90mm HRC	100mm-125mm HRC
50-55
45#	55-58	55-58
60MN	58-63	58-63	56-60
B2	60-65	58-63	56-60
B3			56-63

As a large casting enterprise,our company own more then 15 years experience specialising in R&D 

manufacruing of ADI grinding ball,ball mill liner, various models of jaw crusher tooth plate, 

hammer crusher liner within the care, castor-oil plant section, combined hammer and all kinds of 

high-chromium alloy high manganese steel castings, low chrome alloy casting ball products,

In the fierce market competition,we relying on advanced production equipment, perfect detection

 technology, standard casting process, innovative heat treatment experience and scientific testing 

means, an accurate analysis of the chemical composition, so that wear resistance of our products

 is good, broken rate is low, in 2007 the scientific management successfully passed the ISO9001 

quality system certificate and ISO14000 environment system certification. Our stable development

and excellent product quality, honest services to enable companies to stand out from the domestic

 foundry industry, and become key members of China Foundry Association .

Characteristics and Advantages

Properties contrast with other type grinding balls:

Description	Properties	Metallographic  Structure	Falling- ball Impact  Fatigue Life
Superficial Hardness  (HRC)	Ak (j/cm2)
Grinding Ball	≥60	≥7	B+A+Carbide	≤Φ100	≥18000
≥Φ100	≥15000
Low-Cr Ball	≥45	≥2.5	P+Carbide	>5000
Medium-Cr Ball	≥47	≥2.5	P+Carbide	<Φ80	≥13000
≥Φ80	≥6000
High-Cr Ball	≥55	≥2.5	M+Carbide	<Φ80	≥15000
≥Φ80	≥10000